O'Brien's built its reputation for excellence in response management in the oil and shipping industries. It has become the leading response management company, responding to over 1400 events per year and training thousands of responders through its training programs and drills and exercises.

From this solid base of experience, O'Brien's has expanded to serve a wide range of different clients. Government clients range from some of the largest federal agencies to small town jurisdictions and everyone in between. Corporate clients go far beyond oil and shipping companies and include aerospace giants, food retailers, etc. We serve healthcare from federal and state agencies to hospitals; education from individual school districts to major regional education agencies and major universities. Additional clients include non-profit agencies and industry associations.